different tooth whitening pen with any capcacity, with aluminium or without, any logo printed is available.
1) tooth whitening pen with any capcacity, with aluminium or without,any logo printed is available.
2) can fill many kinds of gel inside the pens.like teeth whitening gel etc.
3) several kinds end tips of the pens,like brush,cotten tips etc.
4) can produce any color as per customers' requirement